20841824

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{9721}}^1$

素因数の和:9798

約数の個数: 24

約数和(自身を含む): 41649048

約数和(自身を除く): 20807224

約数列:

[1, 2, 4, 8, 16, 32, 67, 134, 268, 536, 1072, 2144, 9721, 19442, 38884, 77768, 155536, 311072, 651307, 1302614, 2605228, 5210456, 10420912, 20841824]

約数ペア:

[(1, 20841824), (2, 10420912), (4, 5210456), (8, 2605228), (16, 1302614), (32, 651307), (67, 311072), (134, 155536), (268, 77768), (536, 38884), (1072, 19442), (2144, 9721)]